Annotation of embedaddon/php/ext/pcre/tests/preg_replace_callback_basic.phpt, revision 1.1
1.1 ! misho 1: --TEST--
! 2: Test preg_replace_callback() function : basic functionality
! 3: --FILE--
! 4: <?php
! 5: /*
! 6: * proto string preg_replace(mixed regex, mixed replace, mixed subject [, int limit [, count]])
! 7: * Function is implemented in ext/pcre/php_pcre.c
! 8: */
! 9: /*
! 10: * Basic test for preg_replace_callback
! 11: */
! 12: $replacement = array('zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'); //array will have the default key values (0-9) and each value is the corresponding key written in words.
! 13: function integer_word($matches) {
! 14: global $replacement;
! 15: return $replacement[$matches[0]]; //all examples will be looking for an integer value, if one is found it will be stored in $matches[0] which corresponds to a key in the $replacements array
! 16:
! 17: }
! 18: $subject1 = 'there are 7 words in this sentence.';
! 19: $new_subject1 = preg_replace_callback('/\d/', "integer_word", $subject1);
! 20: print "$new_subject1 \n";
! 21: $subject2 = '1 2 3 4 is now written in words';
! 22: $new_subject2 = preg_replace_callback('/\d/', "integer_word", $subject2, 3); //limits to three replacements
! 23: print "$new_subject2 \n";
! 24: $subject3 = 'there are no numbers in this string';
! 25: $new_subject3 = preg_replace_callback('/\d/', "integer_word", $subject3, 5, $count); //limites to five replacements and counts the number of replacements made ands stores in $count variable
! 26: print "$new_subject3 \n";
! 27: print $count;
! 28: ?>
! 29: --EXPECTF--
! 30: there are seven words in this sentence.
! 31: one two three 4 is now written in words
! 32: there are no numbers in this string
! 33: 0
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